204132124420 has 48 divisors (see below), whose sum is σ = 492075400320. Its totient is φ = 69679828224.

The previous prime is 204132124387. The next prime is 204132124433. The reversal of 204132124420 is 24421231402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3179865 + ... + 3243424.

It is an arithmetic number, because the mean of its divisors is an integer number (10251570840).

Almost surely, 2^204132124420 is an apocalyptic number.

204132124420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204132124420 is an abundant number, since it is smaller than the sum of its proper divisors (287943275900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204132124420 is a wasteful number, since it uses less digits than its factorization.

204132124420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423532 (or 6423530 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 204132124420 its reverse (24421231402), we get a palindrome (228553355822).

The spelling of 204132124420 in words is "two hundred four billion, one hundred thirty-two million, one hundred twenty-four thousand, four hundred twenty".